12395228 has 6 divisors (see below), whose sum is σ = 21691656. Its totient is φ = 6197612.

The previous prime is 12395221. The next prime is 12395233. The reversal of 12395228 is 82259321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12395194 and 12395203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12395221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1549400 + ... + 1549407.

It is an arithmetic number, because the mean of its divisors is an integer number (3615276).

Almost surely, 2^12395228 is an apocalyptic number.

It is an amenable number.

12395228 is a deficient number, since it is larger than the sum of its proper divisors (9296428).

12395228 is a wasteful number, since it uses less digits than its factorization.

12395228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098811 (or 3098809 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 12395228 is about 3520.6857286614. The cubic root of 12395228 is about 231.4292101941.

The spelling of 12395228 in words is "twelve million, three hundred ninety-five thousand, two hundred twenty-eight".